export function date() {
   
    let obj = new Date()
    let y = obj.getFullYear()//年
    let M = obj.getMonth() + 1//月
    let day = obj.getDate()//日
    let h = obj.getHours()//时
    let m = obj.getMinutes()//分
    let s = obj.getSeconds()//秒
    return `${y}年${M}月${day}日- ${h}时${m}分${s}秒`
}